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公开(公告)号：US20220146211A1
公开(公告)日：2022-05-12
申请号：US17521802
申请日：2021-11-08
Applicant: RAPID AID CORP.
Inventor： Jeffrey Thomas WHITELY
Abstract: A heat pack using supercooled aqueous salt solution that resists premature activation at low temperatures is disclosed. The heat pack comprises two sheets that are bonded together to form a laminated sheet. The heat pack has a first and second compartment. A frangible seal separates the two compartments. One of the compartments contains a supercooled aqueous salt solution. The salt solution contains 15 to 25 percent glycerin by mass.
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